ASTM D 4788 Standard Test Method for Detecting Delaminations in Bridge Decks Using Infrared Thermography
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ASTM D 4788 Document Information:
Title
Standard Test Method for Detecting Delaminations in Bridge Decks Using Infrared Thermography
ASTM International
Publication Date:
Feb 10, 2003
Scope:
This test method covers the determination of delaminations in
portland-cement concrete bridge decks using infrared thermography.
This test method is intended for use on exposed and overlaid
concrete bridge decks.
A Precision and Bias statement has not been developed at this
time. Therefore, this standard should not be used for acceptance or
rejection of a material for purchasing purposes.
NOTE 1—This test method can be used on asphalt or concrete
overlays as thick as 4 in. (100 mm).
This test method uses an imaging infrared scanner and video
recorder, mounted on a vehicle, to detect delaminations and
debonded areas on bridge decks and to record the information.
The values stated in inch-pound units are to be regarded as the
standard.
This standard does not purport to address all of the safety
concerns, if any, associated with its use. It is the responsibility
of the user of this standard to establish appropriate safety and
health practices and determine the applicability of regulatory
limitations prior to use.
Keywords:
- bridge decks
- infrared thermography
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